CN103109560B - The fault recovery method of a kind of OM channel and network management terminal - Google Patents
The fault recovery method of a kind of OM channel and network management terminal Download PDFInfo
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- CN103109560B CN103109560B CN201280001809.5A CN201280001809A CN103109560B CN 103109560 B CN103109560 B CN 103109560B CN 201280001809 A CN201280001809 A CN 201280001809A CN 103109560 B CN103109560 B CN 103109560B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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Abstract
The embodiment of the invention discloses the fault recovery method of a kind of OM channel, the most normal including the OM channel OMCH between detection network management terminal and base station；If described OM channel OMCH is abnormal, then controls base station controller and issue reset instruction extremely described base station by the service channel of carrying business function Traffic Functions, so that described base station performs, after receiving described reset instruction, the operation that resets.Use the embodiment of the present invention, when OM channel breaks down, control base station controller and issue reset instruction to base station by the service channel of carrying business function, so that the normal function of base station recovery operation maintenance channel again.
Description
Technical field
The present invention relates to wireless communication field, particularly relate to a kind of OM channel fault restoration methods and
Network management terminal.
Background technology
WCDMA (Wideband Code Division Multiple Access, WCDMA multiplexing accesses)
In system, RAN (Radio Access Network, Radio Access Network) side comprises Node B base station and RNC
(Radio Access Controller, radio network controller), wherein, the one-tenth of RNC during in order to save networking
This, a RNC typically requires offer large area and covers, and it connects and control multiple Node B, being attached thereto
General distance RNC of Node far, up to kilometers up to a hundred, and Node B is the most also apart from far.For
Being easy to carry out system maintenance and management, generally, management attendant passes through network management terminal
And between Node B, set up OMCH (Operation Maintenance Channel, OM channel),
The convenient management that Node B remotely carries out hardware and software is safeguarded and is controlled, and breaks down once OMCH,
Network management terminal cannot pass through OMCH transmitting order to lower levels, and normal software and hardware maintenance cannot be carried out, if
Reset base station of recovering to stand on this OMCH necessarily near-end is to recover OMCH, and human cost is high, needs consumption
Take substantial amounts of maintenance cost.
Summary of the invention
Embodiments provide fault recovery method and the network management terminal of a kind of OM channel,
In order to solve the OMCH between network management terminal and base station break down time, need by near-end stand
The mode of reset base station recovers OMCH, and human cost is high, the problem needing to expend substantial amounts of maintenance cost.
To achieve these goals, first aspect present invention provides the fault recovery of a kind of OM channel
Method, including:
OM channel OMCH between detection network management terminal and base station is the most normal；
If described OM channel OMCH is abnormal, then control base station controller by carrying business function
The service channel of Traffic Functions issues reset instruction extremely described base station, so that described base station receives institute
Perform, after stating reset instruction, the operation that resets.
In the implementation that the first is possible, described control base station controller is by carrying business function Traffic
The service channel of Functions issues reset instruction and included before the step of described base station:
When described OM channel OMCH is abnormal, detect described base station and described base station controller it
Between service channel whether normal, if described service channel is normal, then perform to control base station controller by holding
The service channel carrying business function Traffic Functions issues the step of reset instruction extremely described base station.
In conjunction with the first possible implementation of first aspect and first aspect, in the realization that the second is possible
In mode, the OM channel OMCH between described detection detection network management terminal and base station is the most just
Often include:
Network management terminal periodically sends detection by described OM channel OMCH to base station and wraps；
Judge in preset duration, whether do not receive the response message after base station receives described detection bag, if
It is then to judge that described OM channel OMCH is abnormal.
In conjunction with the realization side that the first possible implementation of first aspect and the second of first aspect are possible
Formula, in the implementation that the third is possible, between the described base station of described detection and described base station controller
Service channel the most normally includes:
Control described base station controller and periodically send packet to base station by described service channel；
Judge in preset duration, whether receive the response message after base station receives described packet, if so,
Then judge that described service channel is normal.
In conjunction with the third possible implementation of first aspect, in the 4th kind of possible implementation, institute
State reset instruction and include normal reset Normal Reset instruction or power-off reset Poweroff Reset instruction.
Second aspect present invention also provides for a kind of network management terminal, including:
First detection module, for detecting the OM channel OMCH between network management terminal and base station
The most normal；
Reseting module, for the most just detecting described OM channel OMCH when described first detection module
Chang Shi, controls base station controller and issues reset by the service channel of carrying business function Traffic Functions
Instruction is to described base station, so that described base station performs, after receiving described reset instruction, the operation that resets.
In the implementation that the first is possible, also include:
Second detection module, for when described OM channel OMCH is abnormal, detects described base station
With the service channel between described base station controller is the most normal, if described service channel is normal, then will detection
Result sends to described reseting module.
In conjunction with the first possible implementation of second aspect and second aspect, in the realization that the second is possible
In mode, described first detection module includes:
First transmitting element, for periodically sending inspection by described OM channel OMCH to base station
Survey bag；
First judging unit, for judging that whether not receiving base station in preset duration receives described detection
Response message after bag, the most then judge that described OM channel OMCH is abnormal.
In conjunction with the realization side that the first possible implementation of second aspect and the second of second aspect are possible
Formula, in the implementation that the third is possible, described second detection module includes:
Second transmitting element, is used for controlling base station controller and is periodically sent out to base station by described service channel
Send packet；
Second judging unit, for judging that whether receiving base station in preset duration receives described packet
After response message, the most then judge that described service channel is normal.
Third aspect present invention provides another kind of network management terminal, including input equipment, output device,
Memorizer and processor, wherein, described processor execution following steps:
OM channel OMCH between detection network management terminal and base station is the most normal；If described behaviour
Make maintenance channel OMCH abnormal, then control base station controller by carrying business function Traffic
The service channel of Functions issues reset instruction extremely described base station, so that described base station receives described reset
The operation that resets is performed after instruction.
In the implementation that the first is possible, described processor also executes the following steps:
When described OM channel OMCH is abnormal, detect described base station and described base station controller it
Between service channel whether normal, if described service channel is normal, then perform to control base station controller by holding
The service channel carrying business function Traffic Functions issues the step of reset instruction extremely described base station.
In conjunction with the first possible implementation of the third aspect and the third aspect, in the realization that the second is possible
In mode, described processor detects the OM channel between described network management terminal and described base station
OMCH the most normally includes:
Periodically send detection by described OM channel OMCH to base station to wrap；
Judge in preset duration, whether do not receive the response message after base station receives described detection bag, if
It is then to judge that described OM channel OMCH is abnormal.
In conjunction with the realization side that the first possible implementation of the third aspect and the second of the third aspect are possible
Formula, in the implementation that the third is possible, described processor detects described base station and described base station controller
Between service channel the most normally include:
Control described base station controller and periodically send packet to base station by described service channel；
Judge in preset duration, whether receive the response message after base station receives described packet, the most then
Judge that described service channel is normal.
Implementing embodiments of the invention, the OMCH passage between network management terminal and base station breaks down
Time, network management terminal is controlled base station controller and is led to by the business of carrying business function Traffic Functions
Road transmission reset instruction, to base station, so that base station carries out the operation that resets, recovers OMCH passage again, it is to avoid
On near-end, station resets, and saves maintenance cost.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of the fault recovery method of a kind of OM channel of the embodiment of the present invention；
Fig. 2 is the schematic flow sheet of the fault recovery method of the another kind of OM channel of the embodiment of the present invention；
Fig. 3 is the structural representation of a kind of network management terminal of the embodiment of the present invention；
Fig. 4 is the structural representation of the another kind of network management terminal of the embodiment of the present invention；
Fig. 5 is the structural representation of first detection module in Fig. 4；
Fig. 6 is the structural representation of the second detection module in Fig. 4；
Fig. 7 is the structural representation of another network management terminal of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.
Referring to Fig. 1, the flow process for the fault recovery method of a kind of OM channel of inventive embodiments is illustrated
Figure, including:
Step 101, the OM channel OMCH detected between network management terminal and base station are the most normal.
Concrete, the OM channel between detection network management terminal and base station the most normally can basis
Alarming mechanism detects, and general base station side supports alarming mechanism, when described OM channel is unavailable,
Warning information can be produced, and warning information is fed back to network management terminal, point out current operation maintenance channel
Fault.Concrete detection method can use existing multiple usual manner to carry out according to practical situation, this
Bright it is not restricted.
If OM channel OMCH is abnormal for step 102, then control base station controller by carrying industry
The service channel of business function Traffic Functions issues reset instruction to base station, so that base station performs the behaviour that resets
Order.
Implement embodiments of the invention, the OM channel OMCH between network management terminal and base station
Fault, it is impossible to when being safeguarded base station by OMCH, by between existing base station controller and base station
The service channel of carrying business function issue reset instruction to base station so that base station performs reset command, extensive
The normal function of multiple OM channel, it is to avoid station operation on attendant's near-end, saves maintenance cost.
Refer to Fig. 2, for the flow process of fault recovery method of the another kind of OM channel of the embodiment of the present invention
Schematic diagram, including:
Step 201, control base station controller are periodically sent to base station by OM channel OMCH
Detection bag.
Concrete, when transmitting with IP form between base station and base station controller, Ping (Packet can be used
Internet Groper, packet internet groper) carry out, described detection bag is test for Ping detection bag, Ping
The instrument that net connection situation is highly useful, is the most frequently used order of network test.The Ping of base station controller
An echo request detection bag is sent, it is desirable to base station replies after receiving request, thus judges net to base station
Whether the response time of network connects with base station with base station controller.
Step 202, judge whether not receive the response after base station receives detection bag in preset duration and disappear
Breath.
Concrete, when network management terminal does not receives the response message of base station in preset duration, then judge
OM channel OMCH between network management terminal and base station is abnormal, then performs step 203,
If receive the response message of base station at preset duration, then judge the operation between network management terminal and base station
Maintenance channel is normal, can carry out the attended operation of normal hardware and software.Judge abnormal
Part can also use the detection bag continuously transmitting predetermined times, if not receiving the response message of base station, then judges
OM channel between network management terminal and base station is abnormal, it is possible to use additive method.
Step 203, control base station controller are by carrying the service channel of business function Traffic Functions
Packet is periodically sent to base station.
Concrete, the most normal for the service channel between detection base station controller and base station herein, detection
Method is referred to the description of step 201, uses the mode of Ping to send packet, the most no longer Ao Shu.
Step 204, judge that whether not receiving the response after base station receives packet in preset duration disappears
Breath.
Concrete, when not receiving the response message of base station in preset duration, then judge base station controller and
Service channel between base station is abnormal, if receive the response message of base station at preset duration, then judges base
Business between station control and base station is normal.Judge that abnormal condition can also use to continuously transmit
The detection bag of predetermined times, if not receiving the response message of base station, then judges between base station controller and base station
Service channel abnormal, it is possible to use monitoring business KPI (Key Performance Index, Key Performance
Index) method judge, the present invention does not limits.
Step 205, control base station controller are by carrying the service channel of business function Traffic Functions
Issue normal reset or power-off reset instructs to base station, so that base station performs the operation that resets.
Concrete, network management terminal chain of command Control Plane or user face User by base station controller
The IuB of Plane sends normal reset instruction or power-off reset instructs to base station, normal reset and power-off reset phase
Ratio, the impact on system is little, starts the time fast, so prioritizing selection sends normal reset and instructs to base station,
If the OM channel between network management terminal and base station does not recovers normal after sending normal reset instruction,
Control base station controller again and send power-off reset instruction to base station.
Implement embodiments of the invention, the OM channel OMCH between network management terminal and base station
Fault, it is impossible to when being safeguarded base station by OMCH, controls base station controller by existing carrying industry
The service channel of business function issues reset instruction to base station, so that base station performs reset command, recovery operation is tieed up
Protect the normal function of passage, it is to avoid station operation on attendant near-end, save maintenance cost.
Refer to Fig. 3, for the structural representation of a kind of network operation terminal of the embodiment of the present invention, including:
First detection module 11, for detecting the OM channel between network management terminal and base station
OMCH is the most normal.
Concrete, the OM channel that first detection module 11 detects between network management terminal and base station is
No normally can detect according to alarming mechanism, general base station side supports alarming mechanism, when described operation dimension
Protect passage unavailable time, warning information can be produced, and warning information is fed back to first detection module 11, carry
Show current operation maintenance channel fault.Concrete detection method can use existing multiple according to practical situation
Usual manner is carried out, and the present invention is not restricted.
When first detection module 11, reseting module 12, for detecting that OM channel OMCH is abnormal
Time, control base station controller issues reset by the service channel of carrying business function Traffic Functions and refers to
Order is to base station, so that base station performs, after receiving described reset instruction, the operation that resets.
Implement embodiments of the invention, the OM channel OMCH between network management terminal and base station
Fault, it is impossible to when being safeguarded base station by OMCH, controls base station controller by existing carrying industry
The service channel of business function issues reset instruction to base station, so that base station performs reset command, recovery operation is tieed up
Protect the normal function of passage, it is to avoid station operation on attendant near-end, save maintenance cost.
Refer to Fig. 4-Fig. 6, for the structural representation of the another kind of network management terminal of the embodiment of the present invention, bag
Include:
First detection module the 11, second detection module 13 and reseting module 12.
Wherein, first detection module 11 includes:
First transmitting element 111, for periodically sending inspection by OM channel OMCH to base station
Survey bag.
Concrete, when transmitting with IP form between network management terminal and base station, Ping (Packet can be used
Internet Groper, packet internet groper) carry out, described detection bag is test for Ping detection bag, Ping
The instrument that net connection situation is highly useful, is the most frequently used order of network test.First transmitting element 111
Ping send echo request detection bag to base station, it is desirable to base station replies after receiving request, thus
Judge whether the response time of network connects with base station with network management terminal.
First judging unit 112, for judging that whether not receiving base station in preset duration receives detection bag
After response message, the most then judge that described OM channel OMCH is abnormal.
Concrete, the first judging unit 112 does not receives the response message of base station in preset duration, then sentence
Determine the OM channel OMCH between network management terminal and base station abnormal, then perform step 203,
If confiscate the response message of base station at preset duration, then judge the behaviour between network management terminal and base station
It is normal for making maintenance channel, can carry out the attended operation of normal hardware and software.Judge abnormal
Condition can also use the detection bag continuously transmitting predetermined times, if not receiving the response message of base station, then sentences
Determine the OM channel between network management terminal and base station abnormal, it is possible to use additive method.
Wherein, described second detection module 13 includes:
Second transmitting element 131, is used for controlling base station controller and is periodically sent to base station by service channel
Packet.
Concrete, the most normal for the service channel between detection base station controller and base station herein, detection
Method is referred to the description of step 201, and the second transmitting element 131 uses the mode of Ping to send packet,
The most no longer Ao Shu.
Second judging unit 132, after judging that whether receiving base station in preset duration receives packet
Response message, the most then judge service channel normal.
Concrete, the second judging unit 132 does not receives the response message of base station in preset duration, then sentence
Determine the service channel between base station controller and base station abnormal, if receive the response of base station at preset duration
Message, then judge that the business between base station controller and base station is as normal.Judge that abnormal condition also may be used
To use the detection bag continuously transmitting predetermined times, if not receiving the response message of base station, then judge base station control
Service channel between device processed and base station is abnormal, and the second judging unit 132 may be used without monitoring business KPI
The method of (Key Performance Index, Key Performance index) judges, the present invention does not limits.
Implement embodiments of the invention, the OM channel OMCH between network management terminal and base station
Fault, it is impossible to when being safeguarded base station by OMCH, is led to by the business of existing carrying business function
Road issues reset instruction to base station, so that base station performs reset command, the normal merit of recovery operation maintenance channel
Can, it is to avoid station operation on attendant near-end, save maintenance cost.
Refer to Fig. 7, for the structural representation of another network management terminal of the embodiment of the present invention, including:
Processor 41, memorizer 42, input equipment 43 and output device 44, the place in network management terminal
The quantity of reason device 41 can be one or more, and Fig. 7 is as a example by a processor.Some of the present invention are implemented
In example, processor 41, memorizer 42, input equipment 43 and output device 44 can pass through bus or its other party
Formula connects, in Fig. 7 as a example by bus connects.
Wherein, the program execution following steps stored during processor 41 calls memorizer 42:
OM channel OMCH between detection network management terminal and base station is the most normal；If described behaviour
Make maintenance channel OMCH abnormal, then control base station controller by carrying business function Traffic
The service channel of Functions issues reset instruction extremely described base station, so that described base station receives described reset
The operation that resets is performed after instruction.
In some embodiments of the invention, processor 41 is also for performing step:
When described OM channel OMCH is abnormal, detect described base station and described base station controller it
Between service channel whether normal, if described service channel is normal, then perform to control base station controller by holding
The service channel carrying business function Traffic Functions issues the step of reset instruction extremely described base station.
Wherein, described processor is the most just detecting the service channel between described base station and described base station controller
Often include:
Network management terminal periodically sends detection by described OM channel OMCH to base station and wraps；
Judge in preset duration, whether do not receive the response message after base station receives described detection bag, if
It is then to judge that described OM channel OMCH is abnormal.
The service channel that described processor detects between described base station and described base station controller the most normally wraps
Include:
Control base station controller and periodically send packet to base station by described service channel；
Judge in preset duration, whether receive the response message after base station receives described packet, the most then
Judge that described service channel is normal.
Implement embodiments of the invention, the OM channel OMCH between network management terminal and base station
Fault, it is impossible to when being safeguarded base station by OMCH, is led to by the business of existing carrying business function
Road issues reset instruction to base station, so that base station performs reset command, the normal merit of recovery operation maintenance channel
Can, it is to avoid station operation on attendant near-end, save maintenance cost.
The disclosed above presently preferred embodiments of the present invention that is only, certainly can not with this limit the present invention it
Interest field, the equivalent variations therefore made according to the claims in the present invention, still belong to the scope that the present invention is contained.
Claims (13)
1. the fault recovery method of an OM channel, it is characterised in that including:
OM channel OMCH between detection network management terminal and base station is the most normal；
If described OM channel OMCH is abnormal, then control base station controller by carrying business function
The service channel of Traffic Functions issues reset instruction extremely described base station, so that described base station receives institute
Perform, after stating reset instruction, the operation that resets.
2. the method for claim 1, it is characterised in that described control base station controller is by carrying
The service channel of business function Traffic Functions issues reset instruction and wrapped before the step of described base station
Include:
When described OM channel OMCH is abnormal, detect described base station and described base station controller it
Between service channel whether normal, if described service channel is normal, then perform to control base station controller by holding
The service channel carrying business function Traffic Functions issues the step of reset instruction extremely described base station.
3. method as claimed in claim 1 or 2, it is characterised in that described detection detection network management is eventually
OM channel OMCH between end and base station the most normally includes:
Network management terminal periodically sends detection by described OM channel OMCH to base station and wraps；
Judge in preset duration, whether do not receive the response message after base station receives described detection bag, if
It is then to judge that described OM channel OMCH is abnormal.
4. method as claimed in claim 2, it is characterised in that the described base station of described detection and described base station
Service channel between controller the most normally includes:
Control described base station controller and periodically send packet to base station by described service channel；
Judge in preset duration, whether receive the response message after base station receives described packet, if
It is then to judge that described service channel is normal.
5. method as claimed in claim 4, it is characterised in that described reset instruction includes normal reset
Normal Reset instruction or power-off reset Poweroff Reset instruction.
6. a network management terminal, it is characterised in that including:
First detection module, for detecting the OM channel OMCH between network management terminal and base station
The most normal；
Reseting module, for the most just detecting described OM channel OMCH when described first detection module
Chang Shi, controls base station controller and issues reset by the service channel of carrying business function Traffic Functions
Instruction is to described base station, so that described base station performs, after receiving described reset instruction, the operation that resets.
7. network management terminal as claimed in claim 6, it is characterised in that also include:
Second detection module, for when described OM channel OMCH is abnormal, detects described base station
With the service channel between described base station controller is the most normal, if described service channel is normal, then will detection
Result sends to described reseting module.
Network management terminal the most as claimed in claims 6 or 7, it is characterised in that described first detection mould
Block includes:
First transmitting element, for periodically sending inspection by described OM channel OMCH to base station
Survey bag；
First judging unit, for judging that whether not receiving base station in preset duration receives described detection
Response message after bag, the most then judge that described OM channel OMCH is abnormal.
9. network management terminal as claimed in claim 7, it is characterised in that described second detection module bag
Include:
Second transmitting element, is used for controlling base station controller and is periodically sent out to base station by described service channel
Send packet；
Second judging unit, for judging that whether receiving base station in preset duration receives described packet
After response message, the most then judge that described service channel is normal.
10. a network management terminal, it is characterised in that include input equipment, output device, memorizer
And processor, wherein, described processor execution following steps:
OM channel OMCH between detection network management terminal and base station is the most normal；If described behaviour
Make maintenance channel OMCH abnormal, then control base station controller by carrying business function
The service channel of TrafficFunctions issues reset instruction extremely described base station, so that described base station receives institute
Perform, after stating reset instruction, the operation that resets.
11. network management terminals as claimed in claim 10, it is characterised in that described processor also performs
Following steps:
When described OM channel OMCH is abnormal, detect described base station and described base station controller it
Between service channel whether normal, if described service channel is normal, then perform to control base station controller by holding
The service channel carrying business function Traffic Functions issues the step of reset instruction extremely described base station.
12. network management terminals as described in claim 10 or 11, it is characterised in that described processor is examined
The OM channel OMCH surveyed between described network management terminal and described base station the most normally includes:
Periodically send detection by described OM channel OMCH to base station to wrap；
Judge in preset duration, whether do not receive the response message after base station receives described detection bag, if
It is then to judge that described OM channel OMCH is abnormal.
13. network management terminals as claimed in claim 12, it is characterised in that described processor detects institute
The service channel stated between base station and described base station controller the most normally includes:
Control described base station controller and periodically send packet to base station by described service channel；Judge
In preset duration, whether receive the response message after base station receives described packet, the most then judge
Described service channel is normal.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2012/081137 WO2014036724A1 (en) | 2012-09-07 | 2012-09-07 | Fault recovery method of operation and maintenance channel and network management terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103109560A CN103109560A (en) | 2013-05-15 |
| CN103109560B true CN103109560B (en) | 2016-09-28 |
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| CN201280001809.5A Active CN103109560B (en) | 2012-09-07 | 2012-09-07 | The fault recovery method of a kind of OM channel and network management terminal |
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| Country | Link |
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| EP (1) | EP2892274B1 (en) |
| CN (1) | CN103109560B (en) |
| WO (1) | WO2014036724A1 (en) |
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| CN108370514A (en) * | 2015-12-21 | 2018-08-03 | 华为技术有限公司 | A kind of communication equipment repositioning method and communication equipment |
| CN106507404A (en) * | 2016-10-31 | 2017-03-15 | 中国联合网络通信集团有限公司 | A kind of base station break station determination methods and device |
| CN109862557A (en) * | 2017-11-30 | 2019-06-07 | 上海华为技术有限公司 | Path Setup method and base station |
| CN110366195A (en) * | 2018-04-10 | 2019-10-22 | 海能达通信股份有限公司 | A kind of base station fault detection method and system |
| CN111193758A (en) * | 2018-11-15 | 2020-05-22 | 西安诺瓦星云科技股份有限公司 | Display management system and maintenance method thereof |
| CN113543181B (en) * | 2020-04-22 | 2024-02-13 | 大唐移动通信设备有限公司 | Method and device for self-recovery of base station equipment |
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- 2012-09-07 CN CN201280001809.5A patent/CN103109560B/en active Active
- 2012-09-07 EP EP12884063.4A patent/EP2892274B1/en active Active
- 2012-09-07 WO PCT/CN2012/081137 patent/WO2014036724A1/en active Application Filing
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2892274B1 (en) | 2019-06-05 |
| CN103109560A (en) | 2013-05-15 |
| WO2014036724A1 (en) | 2014-03-13 |
| EP2892274A4 (en) | 2015-11-04 |
| EP2892274A1 (en) | 2015-07-08 |
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